#1. He can't stick his head out of Windows 2000.
#2. The FETCH command isn't available on all platforms.
#3. It's too messy to "mark" every Web site he visits.
#4. He can't help attacking the screen when he hears "You've Got Mail".
#5. The fire hydrant icon is simply too frustrating.
#6. Involuntary tail wagging is a dead give-away that he's browsing www.purina.com instead of working.
#7. Three words: carpal paw syndrome.
#8. Saliva-coated floppy disks refuse to work.
#9. SIT and STAY were hard enough; CUT and PASTE are out of the question.
#10. He's distracted by cats chasing his mouse.